Engineering Mechanics
Whenever a force acts on a body and the body undergoes a displacement, then

Body has kinetic energy of translation
Power is being transmitted
None of these
Work is said to be done

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Engineering Mechanics
Non-coplanar concurrent forces are those forces which

Do not meet at one point, but their lines of action lie on the same plane
Do not meet at one point and their lines of action do not lie on the same plane
Meet at one point and their lines of action also lie on the same plane
Meet at one point, but their lines of action do not lie on the same plane

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